An allergic reaction can cause a neck rash with urticaria (hives), or raised, red, itchy bumps or welts. Allergic reactions to foods or environmental allergens often cause a rash on the face and neck.

Elena Rybakina's solid performances for Team Kazakhstan in the 2025 Billie Jean King Cup qualifying round did not stop fans from worrying about her health. Rybakina chose to travel to Australia for ...